An ecoysystem is all the biotic and abiotic components of an environment. is located in North America. The tempaturevaries greatly and the environment doesn't get enough rainfall to support trees. One organism in the ecoysystem that adapts well is grass which withstands grazing animals and occasional fires. Producer: An autotroph organism (grass). Consumer: Organism that eats producers (caterpillars, bison). Primary consumer: Organisms that eat consumers (chicken, meadowlark). Secondary consumers: Organisms that eatprimary consumers (praire ....